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Database: 365,228(8 Aug 2026)

airflow?

airflow?, Total:67 items.

The international standard classification for "airflow?" includes: Vacuum technology , Moulding equipment , Installations and equipment for waste disposal and treatment , Yarns , Looms. Weaving machines , Textile fabrics , Textiles in general , Coals , Volumetric equipment and measurements , Equipment for the chemical industry in general , Plants and equipment for the food industry , Natural fibres , Measurement of fluid flow , Anaesthetic, respiratory and reanimation equipment , Protection against fire in general , Aerospace engines and propulsion systems .

The Chinese standard classification for "airflow?" includes: Saw timber, artificial board machinery and tools , Leather processing machinery , Vacuum technique and equipment , Casting equipment , Environmental protection equipment , Boiler and its auxiliary equipment , Cotton yarns and threads , Linen yarn and threads , Textile machinery and apparatus in general , Cotton textile in general , Basic standards and general methods , Pharmaceutical processing machinery and equipment , Coal for power station and industrial boiler , Oil and gas gathering and transportation equipment , Basic standards and general method , Grain and oil/fat processing machinery , Ramie textile in general , Piston type internal combustion engine and other power equipment in general , Half finished wool products , Surgery devices , Fire-fighting in general , Papermaking in general , Agricultural products and feed processing machinery , Length Measurement , Spacecraft power system .


Professional Standard - Forestry

Group Standards of the People's Republic of China

Professional Standard - Light Industry

Professional Standard - Machinery

Professional Standard - Textile

工业和信息化部

国家市场监督管理总局、中国国家标准化管理委员会

  • GB/T 29722-2021 Commercial coal quality—Coal for entrained-flow gasification
  • GB/T 41038-2021 Energy consumption efficiency evaluation method for entrained-flow coal-water slurry gasification
  • GB/T 21391-2022 Measurement of natural gas flow by turbine gas meters

Professional Standard - Chemical Industry

General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China

  • GB/T 31593.8-2015 Fire safety engineering―Part 8:Requirements governing algebraic equations for vent flow
  • GB/T 18604-2001 Measurement of natural gas flow by ultrasonic flow meter
  • GB/T 17260-2008 Determination of fineness of flax - Permeametric method
  • GB 11603-1989 Determination for mean diameter of wool fibres by airflow method
  • GB/T 17260-1998 Determination of fineness of flax fiber--Permeametric method
  • GB/T 11603-2006 Wool-Determination of mean diameter of fibres―Air permeability method
  • GB/T 21446-2008 Measurement of natural gas flow by means of standard orifice meter
  • GB/T 26889-2011 Grain and oil machinery - Starch flash dryers
  • GB/T 29722-2013 Specifications of coal for entrained-flow gasifier
  • GB/T 18604-2014 Measurement of Natural Gas Flow by Gas Ultrasonic Flow Meters
  • GB/T 17805-1999 Measurement of intake air or exhaust gas flow of diesel engines
  • GB/T 21391-2008 Measurement of natural gas flow by turbine meters
  • GB/T 11603-2022 Determination of mean diameter of wool fibres—Air permeability method
  • GB/T 29864-2013 Textiles―Test method for pollenproof property―Air suction
  • GB 11246-1989 Specifications for continuous flow inhalational anaesthetic machines for use with humans
  • GB/T 22921-2008 Paper and board—Determination of water vapour transmission rate of sheet materials—Dynamic sweep and static gas methods

国家能源局

  • SY/T 6660-2021 Measurement of natural gas flow by rotary displacement gas meter
  • SY/T 7551-2019 Measurement of natural gas flow by spindle flowmeters
  • SY/T 6658-2021 Measurement of natural gas flow by vortex precession meter

Professional Standard - Supply and Marketing Cooperative

Military Standard of the People's Republic of China-General Armament Department

  • GJB 6751-2009 Tolerance limit of crewman to high speed windblast

Shaanxi Provincial Standard of the People's Republic of China

Professional Standard - Petroleum

  • SY/T 6659-2006 Measurement of Natural Gas by Coriolis Meter
  • SY/T 6143-1996 Standard orifice measurement method for natural gas flow
  • SY/T 6658-2006 Measurement of Natural Gas Flow by Vortex Precession Meter
  • SY/T 6660-2006 Measurement of natural Gas flow by Rotary displacement gas meters

National Metrological Verification Regulations of the People's Republic of China

National Metrological Technical Specifications of the People's Republic of China

Professional Standard - Commodity Inspection

  • SN/T 2141.1-2008 Method of test for fineness of textile materials—Part 1:Using the airflow apparatus

Professional Standard - Urban Construction

Professional Standard - Aerospace

  • QJ 2655.5-1994 Measurement Method for Parameter of Turbojet Engine and Turbofan Engine for Missile - Air Flow

American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE)

British Standards Institution (BSI)